The module

DC 5-12V adjustable delay time-delay timer switch NE555 relay shield module x 15

Driver module

ULN2003 4-PHASE 5-WIRE STEPPER MOTOR DRIVER MODULE BOARD XH-5P INTERFACE X 15

motor connector

10mmx14mm aluminum flexible coupling stepping motor connector x 25

Audio module

LM386 MODULE 20 TIMES GAIN AUDIO AMPLIFIER MODULE WITH ADJUSTABLE RESISTANCE X 15
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